i2c_init

colorsensor.c

void init_i2c(void)
{
	RCC_I2CCLKConfig(RCC_I2C1CLK_SYSCLK);
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
	RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);

	GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_1);
	GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_1);

	GPIO_InitTypeDef gpio_conf;
    gpio_conf.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
    gpio_conf.GPIO_Mode = GPIO_Mode_AF;
    gpio_conf.GPIO_OType = GPIO_OType_OD;
    gpio_conf.GPIO_PuPd = GPIO_PuPd_NOPULL;
    gpio_conf.GPIO_Speed = GPIO_Speed_2MHz;
    GPIO_Init(GPIOC, &gpio_conf);

	I2C_Cmd(I2C1, DISABLE);
	I2C_DeInit(I2C1);

	I2C_InitTypeDef i2c_conf;
	i2c_conf.I2C_Mode = I2C_Mode_I2C;
	i2c_conf.I2C_AnalogFilter = I2C_AnalogFilter_Enable;
	i2c_conf.I2C_OwnAddress1 = 0x00;
	i2c_conf.I2C_Ack = I2C_Ack_Enable;
	i2c_conf.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
	i2c_conf.I2C_Timing = 0x1045061D;

	I2C_Init(I2C1, &i2c_conf);
	I2C_Cmd(I2C1, ENABLE);

	I2C_10BitAddressHeaderCmd(I2C1, DISABLE);
}